Patrick Davenant invites a group of friends to visit a theater inside his villa, a place which later reveals itself as sinister. Within a short time, the guests realize that they are trapped in the villa. A merciless killer then begins to murder them one by one.
In 1840, a samurai comes home to find his wife in bed with another man, so he kills them both and then himself. Flash-forward to the present day, and an American family of three moves into this since-abandoned house and starts to experience incidents of haunting and possession.
A workman is accidentally sent into outer space, where he meets an alien that can make himself invisible. They return to Earth in the year 2447. Complications ensue.